Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1983-07-18
1985-08-27
Olszewski, Robert P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51217A, 51237R, 51240A, 269 11, B24B 1702
Patent
active
045369917
ABSTRACT:
A worktable comprises upper and lower members that fit together in sliding relation with a rectangular extension of the upper member protruding into a recess in the lower member. The recess is larger than the extension so as to permit the upper member to slide across the surface between the upper and lower members. Eight adjustment screws are mounted in opposing pairs in the lower member so that each pair bears on a different side of the extension. By backing off on some screws while advancing others, the upper member of the worktable may be moved with respect to the lower member to adjust the position of the workpiece with respect to the grinding wheel. The use of pairs of opposing adjustment screws permit both rectilinear movement of the upper member depending on the amount of advancement of each pair of screws and rotational movement when the screws in each pair are advanced by different amounts.
REFERENCES:
patent: 2207342 (1940-07-01), Eastus
patent: 2416703 (1947-03-01), Marshall
patent: 3663188 (1972-05-01), Hoglund
patent: 3849857 (1974-11-01), Murray
patent: 4292699 (1981-10-01), Szabo
Hoglund Tri-Ordinate Corporation
Olszewski Robert P.
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